package gameobjects

import (
	coreobjects "github.com/DegustatorPonos/RuinesOfRafdolon/CoreObjects"
	rl "github.com/gen2brain/raylib-go/raylib"
)

var texture rl.Texture2D

type Tile struct {
}

type Field struct {
	Tiles [][]Tile
	Camera rl.Camera2D
}

func (base *Field) Create(_ coreobjects.SceneManager) {
	var image = rl.LoadImage("tile.png")
	texture = rl.LoadTextureFromImage(image)
	rl.UnloadImage(image)
	
	base.Camera = rl.Camera2D{}
	base.Camera.Target = rl.Vector2 { X: 0, Y: 0 }
	base.Camera.Offset = rl.Vector2 { X: 0, Y: 0 }
	base.Camera.Rotation = 0
	base.Camera.Zoom = 2
}

func (base *Field) Destroy() {
	rl.UnloadTexture(texture)
}

func (base *Field) Update() {
	if rl.IsKeyDown(rl.KeyW) {
		base.Camera.Target.Y -= 0.3
	}
	if rl.IsKeyDown(rl.KeyS) {
		base.Camera.Target.Y += 0.3
	}
	if rl.IsKeyDown(rl.KeyA) {
		base.Camera.Target.X -= 0.3
	}
	if rl.IsKeyDown(rl.KeyD) {
		base.Camera.Target.X += 0.3
	}
}

func (base *Field) Draw() {
	rl.BeginMode2D(base.Camera)
	defer rl.EndMode2D()

	for x, r := range base.Tiles {
		for y, _ := range r {
			rl.DrawTexture(texture, (int32(x) * 32), int32(y) * 32, rl.White)
		}
	}
}

func CreateField(x int, y int) Field {
	var tiles = make([][]Tile, x)
	for i := range tiles {
		tiles[i] = make([]Tile, y)
	}
	return Field {
		Tiles: tiles,
	}
}